Lake Erie Mapper uses data layers, from both the United States and Canada, to give a you better sense of the geography of the basin. You can add your own data to enhance the map you see. Click here to access the map. The tutorial on how to use the Lake Erie Mapper is available if you click here.

Lake Erie Mapper

Great Lakes Restoration Initiative

The Great Lakes Restoration Initiative was launched in 2010 to accelerate efforts to protect and restore the largest system of fresh surface water in the world — the Great Lakes.